へこたれる
hekotareru

Ichidan Verb

1. to lose heart; to be discouraged; to be dejected; to be exhausted; to be tired out

Intransitive
Usually Written in Kana
成功 せいこうするまでへこたれるな。
sēkō surumade hekotareruna.
Stick with it and you'll succeed.
Other forms: