矢先

Meanings

1. Noun

   arrowhead
2. target of a flying arrow; brunt (of an attack)
3. the very moment (when); the point (of doing)

• 叔父おじは新あたらしい冒険的ぼうけんてき事業じぎょうを始はじめる矢先やさきだ、と言いっている。

  My uncle says he's about to embark on a new business venture.