せいぜい千せん円えんだ
seizei sen-en da
It's at most 1000 yen
せいぜい二に時間じかんだ
seizei nijikan da
It's at most two hours
せいぜい頑張がんばる
seizei ganbaru
I'll do my best
せいぜいやってみる
seizei yatte miru
I'll try my hardest
