to go to bed later than usual, often to study
比平常晚睡，通常是为了学习 (bǐ píngcháng wǎn shuì, tōngcháng shì wèi le xuéxí)
"Many students stay up late studying before exams."
"许多学生在考试前熬夜学习。" (xǔduō xuéshēng zài kǎoshì qián áoyè xuéxí)
to spend less money than you earn
to continue trying with faith and optimism
to begin to like or trust someone
to get excited discussing a favorite specialized topic
to invite someone to come to your place
to manage or function well in a particular situation or cult...
