切れ端: scrap, fragment

fragment, scrap

be useful, serve / be valid, be usable (e.g. a coupon at a cash register)

(informal, of movement) skilfully sharp and brisk

(informal, of movement) being skilfully sharp and brisk

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

chopsticks

切れる: snap, be cut, be interrupted, sever connection with, expire

切れ: sharpness; cloth; slice

(dialect) beautiful