頑張 がんば
gambaru

Godan Verb (ru)

1. to persevere; to persist; to keep at it; to hang on; to hold out; to do one's best

Intransitive
いや、頑張 がんばればできるよ。
iya gambareba dekiruyo.
Yes, he can, if he tries hard.
Godan Verb (ru)

2. to insist that; to stick to (one's opinion)

Intransitive
Godan Verb (ru)

3. to remain in a place; to stick to one's post; to refuse to budge

Intransitive