须zhòngyīngguànyòngduǎnyù:
  •   zhè xiē guī zé bì xū yán gé zūn shǒu .   The regulations must be stringently observed
  • v.  zhè xiē lún zǐ xū tóng sù zhuàndòng .   The wheels must synchronize as they revolve
  • n.  zhè fèn bào gào cuò wù bǎi chū , xū zhòng xiě .   There are so many inaccuracies in this report that it will have to be written again
  • n.  zhè tào zhuāng zhì bì xū jīng guò shì yàn zhī hòu cái néng tóu chǎn .   The system will have to be tested before it goes into production
  • n.  zhè jiā gōng sī bì xū kè fú duì cǎi yòng xīn jì shù de zǔ lì .   The firm has to overcome its resistance to new technology
  • v.  zhè suǒ fáng zǐ jí xū wéi xiū .   The house is in a shocking state of repair
  • n.  zhè shì gè jī běn xìn tiáo（ bì xū chéng rèn qí wéi zhēn lǐ） .   This is a matter of doctrine, ie must be accepted as true
  • n.  zhè shì xū yóu gè rén zuò jué dìng de wèn tí .   It's a matter for personal decision, ie Everybody must decide for themselves
  • n.  zhè zhǒng hú luàn cāi cè shèn 'áo chén shàng , yǐ jīng dào liǎo bì xū lì jí jiě jué de chéng dù liǎo .   Speculation has reached such a pitch that a decision will have to be made immediately
  • v.  zhè jì huà bì xū jiān chí xià qù , bù néng dǎ tuì táng gǔ .   The project must go ahead; there can be no turning back
  • v.  zhè xiàng gōng zuò běn xīng qī bì xū zuò wán , zán men zuì hǎo dòng shǒu gān bā !   The work must be finished this week, so we'd better get weaving
  • adj.  zhè xiàng xiāo xī wú xū gōng kāi .   This information is privileged
  •   jìn rù dà lóu shí xū xiàng jǐng wèi chū shì tōng xíng zhèng .   When you enter the building you must show the guard your pass
  • vt.  pò shǐ , zé chéng , yǐ shì yán shù fù , shī 'ēn huì yú , dāyìng ... de qǐng qiú , shǐ mǎn zú , shǐ gǎn jī , wéi ... biǎo yǎn , shǐ gǎn dào bì xū zuò（ mǒu shì） , shī huì , bāng … de máng   oblige
  • adj.  pò qiē de , yán lì de , jǐn yào de , quē fá xiàn jīn de , yán kē de , yòu shuō fú lì de , kē kè de , bì xū yán gé zūn shǒu de（ guī zé） , yín gēn jǐn de   stringent
  • adj.  xuǎn mín xū wéi xuǎn qū jū mín zhī zī gé .   residential qualifications for voters, ie requiring that they should reside in the constituency