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not exceeding ...; not more than ...; ... and under; ... and below; ... or fewer
below (a standard, level, etc.); under; beneath; less than
the following; the below-mentioned; the rest; followed by ...
including ...; ... and other (employees, officials, etc.)
十八歳以下は入れません。
People under eighteen are not allowed.
以下の条件を確認してね。
Please check the following conditions.
このお菓子は千円以下で買えますよ。
You can buy these sweets for less than 1000 yen.