N4 grammar
〜せる/〜させる
Making or letting someone do it
Formationgodan: 未然形 + せる. ichidan: stem + させる
The causative says you made or let someone else do something. Whether it is forcing or permitting comes from the context and the tone, not the form. The person who ends up doing the action takes に, or を when the verb has no object of its own.
Examples
〜せる/〜させる is marked in each sentence. Tap any word for its dictionary entry.
私は彼女にスキーを思いとどまらせた。
I argued her out of going skiing.
すみません、お待たせしました。
I'm sorry to have kept you waiting so long.
事の意外な成り行きに目を白黒させた。
I blinked in amazement at the unexpected development.
寒い朝に車を始動させることは難しい。
It's difficult to get the car going on cold mornings.
ポーターにあなたの荷物を運ばせなさい。
Let a porter carry your baggage.