How to say "景东确实恨铁不成钢" (jǐng dōng què shí hèn tiě bù chéng gāng) in Chinese dialogue

jǐngdōngquèshíhèntiěchénggāng

I am indeed disappointed by my son's failure.

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0138:58
jǐng
dōng
shī
tài
le

Sorry, I lost my composure.

LINE 0239:01
PLAYING SCENE
jǐng
dōng
què
shí
hèn
tiě
chéng
gāng

I am indeed disappointed by my son's failure.

LINE 0339:04

But I...

Show Information
Source MediaTV Series
Season & EpisodeS1 E7
Timestamp39:01
TMDB ID275966