せいぜい (seizei)
せいぜい — at most / at best
Pattern
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せいぜい＋数量（＋だ／しか〜ない）at most + amount (せいぜい十人だ) -
せいぜい＋動詞（命令・努力）do one's best (せいぜい頑張ってください)
Upper limit
As in せいぜい五分しか変わらない or せいぜい十人だ, it shows the ceiling for a number or amount and judges that it is no more, and small. Like たかが, it can carry a slightly dismissive, low-expectation feeling. It pairs with しか〜ない, だけ and ぐらい.
“Do your best” and cautions
As in せいぜい頑張って, it can also mean “try as hard as you can.” But it can sound sarcastic or condescending, so do not use it to superiors. Compared with 最大で or 多くても, it is more casual and includes the speaker's judgment.
Examples
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急（いそ）いでも、せいぜい五分（ごふん）しか変（か）わらない。
Isoide mo, seizei gofun shika kawaranai.
Even if you hurry, it'll change by five minutes at most.
With しか〜ない: only small change.
-
この店（みせ）の客（きゃく）は、多（おお）くてもせいぜい十人（じゅうにん）だ。
Kono mise no kyaku wa, ōkute mo seizei jūnin da.
This shop has at most about ten customers.
An upper limit on a count.
-
どんなに急（いそ）いでも、せいぜい十分（じゅっぷん）早（はや）くなるだけだ。
Donna ni isoide mo, seizei juppun hayaku naru dake da.
No matter how much I hurry, it'll be ten minutes faster at best.
With だけ: only that much.
Common mistakes
- Do not use it for large amounts; it implies the amount is small: × せいぜい百万人も来た.
- せいぜい頑張って can sound sarcastic, so avoid it with superiors.
More grammar points
- あまり あまりの～に — so ～ that ～
- あまりにも あまりにも — far too ～, excessively
- ば～ほど ～ば～ほど — the more ～, the more ～
- 別（べつ）に～ない 別に～ない — not particularly ～
- だけ だけ — only, just; as much as ～
- どうしても どうしても — no matter what, absolutely
- ほど ～ほど — to the extent of ～
- ほど～ない A ほど～ない — not as ～ as A
- 決（けっ）して～ない 決して～ない — never ～
- くらい / ぐらい くらい／ぐらい — about ～, to the extent of ～
- めったに～ない めったに～ない — rarely ～
- なかなか なかなか — quite / (not) easily
- なるべく なるべく — as much as possible
- に比（くら）べて ～に比べて — compared with ～
- さえ ～さえ — even ～
- 数量（すうりょう） + は 数量＋は — “at least (amount)”
- とても～ない とても～ない — “can't possibly ～”
- よりも ～よりも — “more than ～ / rather than ～”
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