应当yīng dāng/yìng dàng/yìng dāngHSK 3Verb (动)Save wordShareBasic Meaningyīngdāngvshould; ought to助动词。应该。Words:应当如此应当注意理所应当Synonyms:应该理当该当该是理应当然Antonyms:无需不必不该Sentences:作(zuò)为(wéi)一(yī)名(míng)学(xué)生(sheng),应(yīng)当(dāng)认(rèn)真(zhēn)完(wán)成(chéng)作(zuò)业(yè)。As a student, one should complete homework diligently.我(wǒ)们(men)应(yīng)当(dāng)保(bǎo)护(hù)环(huán)境(jìng),节(jié)约(yuè)用(yòng)水(shuǐ)。We ought to protect the environment and save water.这(zhè)件(jiàn)事(shì)他(tā)处(chǔ)理(lǐ)得(de)很(hěn)好(hǎo),应(yīng)当(dāng)表(biào)扬(yáng)。He handled this matter well and deserves praise.Characters BreakdownHSK 2yīng yìng应answer; promiseHSK 2dāng dàng当during; serve as; act as