to watch someone closely to ensure they do something correctly
仔细观察某人，以确保他们做事正确 (zǐxì guānchá mǒu rén, yǐ quèbǎo tāmen zuò shì zhèngquè)
"The teacher stood over the students during the exam."
"老师在考试期间密切观察学生。" (Lǎoshī zài kǎoshì qījiān **mìqiè guānchá** xuéshēng.)
to make someone responsible for their actions
to control or keep inflation at a manageable level
to fall in love with someone; to be strongly attracted to so...
to keep working on something until it is completed
to act according to what one has promised or expected
to reduce the amount of sugar you consume
