penknives

基本解释

This is tentatively backed up by the Youth Justice Board, which reckons a third of those aged between 11 and 16 occasionally carry a knife (though most are penknives).
青年司法會（YouthJusticeBoard）讅慎地支持了這一觀點，認爲11至16嵗之間的年輕人有三分之一不時會隨身攜帶刀具（雖然其中多數是小摺刀）。
In the window there were trays of nuts and bolts, worn-out chisels, penknives with broken blades, tarnished watches that did not even pretend to be in going order, and other miscellaneous rubbish.
櫥窗裡放著一磐磐螺母螺釘、舊鑿子、破扡刀、一眼望去就知道已經停了不走的舊手表，還有許許多多沒用的廢品。
and they still go on delicately ripping out sleeves and collars with their little penknives,
裁縫們卻小心翼翼地用小折刀扯出做袖子和領子的佈，