-（使出）putforth(strength);exert(effort):putforthallone'sstrength;努劲儿
Let'smakestillgreaterefforts.大家再努一把劲。
-（凸出）protrude;bulge:withbulgingeyes;努着眼睛
Ipoutedmylipsathim,hintingthatheshouldspeakfirst.我向他努了努嘴，让他先说。
-（用力太过，身体内部受伤）injureoneselfthroughoverexertion:Don'tcarrythatheavytrunk,oryou'llstrainyourself.箱子太沉，你别扛，看努着。