拜 託 bài tuō : request sb; to do sth

報 答 bào dá : repay; requite

倍 頻 器 bèi pín qì : frequency multiplier

必 修 課 bì xiū kè : a required course

必 要 bì yào : necessary; essential; indispensable; required

必 要 條 件 bì yào tiáo jiàn : requirement

變 頻 biàn pín : frequency conversion

不 情 之 請 bù qíng zhī qǐng : my presumptuous request

不 時 bù shí : frequently; often; at any time

層 見 迭 出 céng jiàn dié chū : to occur frequently; to occur repeatedly

常 cháng : always; ever; often; frequently; common; general; constant

Big5: , Unicode: 5e38 (常),
Links: MT, Cantonese, Ld, Chinese Language

常 常 cháng cháng : frequently; usually; often

常 問 問 題 cháng wèn wèn tí : frequently asked questions; FAQ

次 數 cì shù : frequency; number of times

經 常 jīng cháng : everyday; day-to-day; frequently; regularly

率 «率» lǜ : rate; frequency

Big5: , Unicode: 7387 (率),
Links: MT, Cantonese, Ld, Chinese Language

禖 méi : heir-requesting sacrifice

Big5: , Unicode: 7996 (禖),
Links: MT, Cantonese, Ld, Chinese Language

密 切 mì qiē : close; familiar; intimate; frequent

頻 [频] pín : frequency; frequently; repetitious

Big5: , Unicode: 983b (頻),
Links: MT, Cantonese, Ld, Chinese Language

頻 帶 pín dài : frequency range; bandwidth

頻 道 pín dào : frequency; (television) channel

頻 繁 pín fán : frequently; often

頻 寬 pín kuān : frequency range; bandwidth

頻 率 pín lǜ : frequency

頻 仍 pín réng : frequent

亟 qì : repeatedly; frequently

Big5: , Unicode: 4e9f (亟),
Links: MT, Cantonese, Ld, Chinese Language

勤 «懃» qín : diligent; frequent

Big5: , Unicode: 52e4 (勤),
Links: MT, Cantonese, Ld, Chinese Language

請 [请] qǐng : to ask; to invite; please (do sth); to treat (to a meal, etc); to request

Big5: , Unicode: 8acb (請),
Links: MT, Cantonese, Ld, Chinese Language

請 求 qǐng qiú : request

求 qiú : to seek; to look for; to request; to demand; to beseech

Big5: , Unicode: 6c42 (求),
Links: MT, Cantonese, Ld, Chinese Language

射 頻 shè pín : radio frequency; RF

時 常 shí cháng : often; frequently

勢 在 必 行 shì zài bì xíng : be imperative; be required by circumstances

數 [数] shuò : frequently; repeatedly

Big5: , Unicode: 6578 (數),
Links: MT, Cantonese, Ld, Chinese Language

條 件 tiáo jiàn : condition; prerequisite; factor

往 往 wǎng wǎng : often; frequently

希 «稀» xī : rare; infrequent

Big5: , Unicode: 5e0c (希),
Links: MT, Cantonese, Ld, Chinese Language

需 xū : to require; to need; to want; necessity; need

Big5: , Unicode: 9700 (需),
Links: MT, Cantonese, Ld, Chinese Language

需 求 xū qiú : requirement

需 要 xū yào : to need; to want; to demand; needs; to require

要 yāo : demand; ask; request; coerce

Big5: , Unicode: 8981 (要),
Links: MT, Cantonese, Ld, Chinese Language

要 求 yāo qiú : request; require; stake a claim (to something); to ask; to demand

要 有 yào yǒu : need; require

主 科 zhǔ kē : required courses in the major subject