笔挺

笔挺	bǐ tǐng	(standing) very straight / straight as a ramrod / bolt upright / well-ironed / trim
笔	bǐ	pen / pencil / writing brush / to write or compose / the strokes of Chinese characters / classifier for sums of money, deals / CL:支,枝
挺	tǐng	straight / erect / to stick out (a part of the body) / to (physically) straighten up / to support / to withstand / outstanding / (coll.) quite / very / classifier for machine guns