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初めて, 始めて, 甫めて, はじめて
1. for the first time
2. only after ... is it ..., only when ... do you ..., not until ... do you ...
3. first time, (one's) first
第一次
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お目にかかる, お目に掛かる, おめにかかる
1. to meet (someone of higher status)
2. to be recognized (esp. by someone of higher status), to be visible, to be seen, to be noticed
tbd