IdiomDaily LifeFrench

Cousu de fil blanc

Meaning: So obvious that the deception is plainly visible.

Literally: Sewn with white thread

Example: “Son excuse de panne de réveil était cousue de fil blanc.” — His excuse about his alarm clock failing stuck out like a sore thumb.

Origin: A seam sewn in white thread on dark cloth announces itself from across the room, which is exactly what a repair is meant not to do. The phrase is used of pretexts and alibis.

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