sich anstrengen
afflict · aggrieve · aim · attempt · bear down · bear up · bluff · boast · bother · break one's bone · distress · endeavor · endeavour · exert · exert one's strength · exert oneself · exert oneself greatly · go all out · labor · make an effort · make efforts · making an effort · pull · rack · strain · strive · struggle · swagger · take pains · to be diligent · to be zealous · to bear down · to bear or push down · to brace one's legs · to brace oneself · to break one's bone · to do to exhaustion · to earn income · to endeavor · to endeavour · to exert · to exert oneself · to go all out · to hold out · to labor · to labour · to make an effort · to persist · to plant oneself · to refuse to budge · to remain in a place · to stand firm · to stick to one's post · to straddle · to strain · to strain oneself · to strain or exert oneself · to strive · to struggle · to try hard · to work diligently · to work hard · try · try hard · trying hard · work hard