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INTERMEDIATE LEVEL
Content
to sink into ☊ 
chìm vào ☊
→ → →
like: chìm vào → →
I refuse to sink to their level (= behave as badly as them). ☊ level ☊
The wheels started to sink into the mud. ☊ sink ☊
My spirits sank at the prospect of starting all over again. ☊ spirit ☊