wear thin

be worn out, grow shabby from frequent use; wear out, grow shabby from frequent use

frayed, wore out, exhausted

Verb
1. deteriorate through use or stress; "The constant friction wore out the cloth"
(synonym) wear, wear off, wear out
(hypernym) deteriorate
(hyponym) ablate

Synonyms and related words:
bomb, break, cave in, collapse, come apart, come unstuck, conk out, crumble, decline, disintegrate, droop, drop, fade, fail, faint, fall flat, fizzle out, flag, give out, give way, go downhill, go soft, go to pieces, hit the skids, languish, peg out, peter out, pine, poop out, sink, weaken, wear away, wilt, yield
  

phrv. ใช้จนบาง; ทำให้น้อยลง, ทำให้อ่อนลง, ทำให้ลดลง