をものともせず
(O mono to mo se zu)
braving / undaunted by / in defiance of.
Connection rules
- +Noun + をものともせず(に) + main clause (positive / determined action).
- +Admiring tone — the subject perseveres despite the obstacle.
- +Common nouns: 困難 ('difficulty'), 危険 ('danger'), 反対 ('opposition'), 雨 ('rain').
Examples
1.
彼は困難をものともせず、目標を達成した。

Kare wa konnan o mono to mo se zu, mokuhyou o tassei shi ta.
Undaunted by difficulties, he achieved his goal.
「braving / undaunted by / in defiance of」
2.
大雨をものともせず、試合は続けられた。

Ooame o mono to mo se zu, shiai wa tsuzuke rare ta.
Braving the heavy rain, the match continued.
「braving / undaunted by / in defiance of」
Practice
Undaunted by the opposition of those around him, he decided to start his own business.
彼は___、自分の会社を興すことを決意した。
Romaji also accepted