好使: be convenient to use; work well 短语和例子这架录音机很好使。 this tape recorder is very reliable. 这支笔挺好使。 this pen writes very well
笔挺: 1.(很直地) (standing) very straight; straight as a ramrod; bolt upright 短语和例子笔挺直立 stand square2.(烫得很平) well-ironed; trim 短语和例子穿着一身笔挺的制服 be dressed in a trim uniform