必须 | bì xū | to have to / must / compulsory / necessarily | |
只好 | zhǐ hǎo | without any better option / to have to / to be forced to | |
不得已 | bù dé yǐ | to act against one's will / to have no alternative but to / to have to / to have no choice / must | |
用 | yòng | to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore | |
得 | děi | to have to / must / ought to / to need to |