备用

后备 hòubèi HSK 7-9 #3,959

reserve; backup; standby

服用 fúyòng HSK 7-9 #4,488

to take (medicine) / to administer orally

管用 guǎnyòng HSK 7-9 #2,730

effective / useful / to work (of a method)

引用 yǐnyòng HSK 7-9 #5,794

to quote / to cite / quotation

副作用 fùzuòyòng HSK 7-9 #6,299

side effect / adverse reaction

用力 yònglì HSK 7-9 #6,431

to exert force / with effort / forcefully

借用 jièyòng HSK 7-9 #6,504

to borrow (for use) / to use (something belonging to others)

责备 zébèi HSK 7-9 #6,680

to blame / to reproach / to criticize

滥用 lànyòng HSK 7-9 #7,194

to abuse (power, drugs, etc.) / to misuse

占用 zhànyòng HSK 7-9 #7,276

to occupy / to take up (space, time, resources)