Tiếng Việt · Saying Attested

thế cơ à

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In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

Northern "oh, is that so?" — the particle "cơ" loads the surprise, anywhere from genuine amazement to raised-eyebrow disbelief.

Literally: like-that indeed?

Where it’s used: More common Miền Bắc · Northern Vietnam

Examples

Nó tự học tiếng Nhật một năm mà đậu N2? Thế cơ à!He self-studied Japanese for one year and passed N2? You don't say!

Editorial example (batch 046)

Sources & notes

Discovered via slangviet.com (headword reference only; definition and example written independently for Idiomer). Retrieved 2026-08-05. Reference page: slangviet.com/phrases/the-co-a.

Common questions

What does “thế cơ à” mean?

Northern "oh, is that so?" — the particle "cơ" loads the surprise, anywhere from genuine amazement to raised-eyebrow disbelief. Literally: like-that indeed?

Is “thế cơ à” formal or informal?

thế cơ à is generally informal.

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