阻 - thwart, separate from, prevent

to keep someone from doing; to stop; to prevent; to check; to hinder; to obstruct; to oppose; to thwart

obstruction; impediment; hindrance; inhibition; blocking; check

obstruction; prevention; hindrance; check; blocking; stopping

morning sickness; nausea and vomiting of pregnancy

barrage balloon

standing firmly against

loss of spirit; dejection

to hinder the growth of (e.g. plants, someone); to hamper the growth of

protease inhibitor

carbonate dehydratase inhibitor

battlefield air interdiction

road block