(vyna)snažit se, dát si záležet, vyvinout úsilí, usilovat, snažit se o co, dát si velkou práci s čím
I went to great pains to get this record for you.(CIDI)
Mr. and Mrs. Wilson take pains to find families that are truly in need.(Eng.Idioms, W.Magnuson)
If you value your trees, you will take pains to master this art. (BNC)
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