wear thin

基本解释

Some researchers say they believe the earth's internal heating may be causing the ice sheet to thin or thicken over time.
一些研究者說他們相信隨著時間的推移，地球內部的熱量可能將導致冰層變薄或加厚。
The brittle nature of graphite also precludes the use of thin components for reducing stack size and weight, which is particularly important for transportation applications.
目前最常用的雙極板是無孔石墨板，加工複襍，且石墨基質較脆，厚度難於進一步變薄，重量難以減輕。
The knees of this trousers have worn thin.
這條褲子的膝部都磨薄了。
As a result, nacre thickness is sometimes just a cosmetic layer that can wear thin over time.
所以真珠質的厚度就像臉上化妝品，不久就會磨薄了。
North Korea's communist government is urging women in the country to wear traditional Korean clothes instead of pants, according to a North Korean monthly magazine.
朝鮮一月刊發表文章指出朝鮮共産主義政府正號召本國女性放棄褲裝換上韓服。

If your patience wears thin, you become less and less patient.
If something such as a joke wears thin, it becomes boring or annoying or stops being funny or effective, because it has been seen, heard, or used too much.