|klentʃ| transitive verb 1. (close tightly) 捏紧 niējǐn ‹fingers›; 咬紧 yǎojǐn ‹jaws›to clench one's fist 攥紧拳头 to say [something] between clenched teeth 咬牙切齿地说… 2. (hold tightly) 握紧 wòjǐn ‹money, sb.'s hand›to clench [something] between one's teeth 紧紧咬住某物