be worried sick / be sick with worry

mít velkou starost o, být roztřesený obavami, být nemocný úzkostí

Why did you not tell me you were coming home late? I have been worried sick! (LDCE)

Why didn't you call me when you knew you were going to be late? I was worried sick about you! (CIDI)

I believe your family must be worried sick about your safety.(WebCorp)

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