throwoutone'schest;squareone'sshoulders;挺胸
straightenone'sback;straightenup;挺起腰杆
canbear[stand]pains;挺得住伤痛
succeededinpullingthroughtheillness;挺过了一场大病
anerectbearing;挺直的体态
well-ironeduniform;笔挺的制服
outstanding;distinguished英挺
beverydiligentinone'swork;工作挺勤奋
It'srather[pretty;quite]coldtoday.今天挺冷。
twoheavymachineguns两挺重机枪