出典:Wiktionary
出典:『Wiktionary』 (2024/08/20 22:43 UTC 版)
test the waters (third-person singular simple present tests the waters, present participle testing the waters, simple past and past participle tested the waters)
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血沈検査.
the seething waters
to examine someone to measure their knowledge of a subject
ミズネズミ類
試験管.