Thanks but no thanks (phr.) 感谢但不接受；礼貌地拒绝

e.g., When they offered me the old computer, I said 'thanks but no thanks' because I already had a newer one.

(当他们提供给我那台旧电脑时，我说「谢谢，但不用了」，因为我已经有一台更新的了)

T开头K结尾的单词：

Tank

英文：(n.) A large, heavy armored fighting vehicle carrying guns and moving on a continuous articulated metal track.

中文：（名词）一种大型、重型装甲战斗车辆，装载枪炮，并通过连续的铰接金属轨道移动。

Trek

英文：(n.) A long, difficult journey, typically on foot.

中文：（名词）一次长途且困难的旅程，通常是徒步的。

Tusk

英文：(n.) A long, protruding tooth, as from an elephant, walrus, or narwhal, often used as a tool or weapon.

中文：（名词）一种长而突出的牙齿，如大象、海象或独角鲸的牙齿，常用作工具或武器。