辞書 ポーランド語 - 英語
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tracić grunt pod nogami 英語で:
1. 
to be out of one's depth
英語 "という言葉tracić grunt pod nogami"（to be out of one's depth）集合で発生します。
kartkówka 13.042. 
flounder
The country’s economy is floundering and the future is uncertain.
1. Although his business was a success, his marriage was floundering. 2. Richardson resigned as chairman, leaving the company floundering.
Don't flounder on details.
to loose one's grip 
feel out of your depth 
out of one's depth 
feel out of my depth 
lose grip 