碍

妨碍 fáng'ài HSK 7 #4,018

to hinder / to obstruct / to impede

阻碍 zǔ'ài HSK 5 #5,753

to obstruct; to hinder; to impede / obstacle; hindrance

障碍 zhàngài HSK 6 #2,960

obstacle; barrier; hindrance / disorder (medical)

碍事 àishì HSK 7 #11,372

to be in the way / to be a hindrance / (in the negative) to matter; to be of consequence

障碍物 zhàng'àiwù #13,507

obstacle / obstruction / hindrance

挡住 dǎngzhù #4,635

to block / to obstruct / to stand in the way of

挡 dǎng HSK 5 #2,579

to block; to obstruct; to stand in the way / to resist; to ward off / gear (of a vehicle)

闭 bì HSK 6 #431

to close; to shut / to obstruct; to block

阻挡 zǔdǎng HSK 7 #6,752

to block / to obstruct / to stand in the way of

挠 náo HSK 7 #8,069

to scratch (an itch) / to hinder; to yield (literary)