to monitor or see how someone or something is doing
监视或查看某人或某物的状态 (jiānshì huò chákàn mǒu rén huò mǒu wù de zhuàngtài)
"Could you check in on the kids while I'm out?"
"你能在我出去时check in on孩子们吗？" (Nǐ néng zài wǒ chūqù shí **check in on** háizimen ma?)
to be very eager or impatient for something to happen
situations or decisions that involve a lot of risks but also...
to change from one system or option to another
to change the rules or conditions to make success harder
to start again from the beginning
To suddenly think of something.
