Chars
保
Defend, Guarantee, Guard, Hold, Insure, Keep, Maintain, Protect
Protect, Defend, Guard, Hold, Maintain, Keep, Guarantee, Insure
留
Keep, Leave a message, Preserve, Record, Remain, Stay
Remain, Stay, Keep, Leave a message, Preserve, Record
鍵
Door, Key, Keyboard, Lock
Key, Door bolt, Lock, Keyboard