笔挺

笔挺	bǐ tǐng	(standing) very straight / straight as a ramrod / bolt upright / well-ironed / trim
笔	bǐ	writing brush; writing implement (pen, pencil etc) (CL:支,枝) / brushstroke; stroke (in painting or calligraphy) / (bound form) style of writing; literary manner; technique of brushwork / (classifier) stroke of a Chinese character / (classifier) sum of money; financial transaction; piece of business / (literary) to write (with a brush or pen)
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