保险丝

保险丝	bǎo xiǎn sī	fuse wire / (electrical) fuse
保	Bǎo	Bulgaria (abbr. for 保加利亚)
保	bǎo	to defend; to protect; to keep / to guarantee; to ensure / (old) civil administration unit in the baojia 保甲 system
保险	bǎo xiǎn	insurance / to insure / safe / secure / be sure / be bound to / CL:份
险	xiǎn	danger / dangerous / rugged
丝	sī	silk / thread-like thing; (cuisine) shreds or julienne strips / classifier: a trace (of smoke etc), a tiny bit etc