n.[C]

1. 界线；界限
   That fence is the limit of the schoolyard.

   那堵围墙是校园的边界。

2. 限度；限制；极限
   He knows his own limits.

   他自知能力有限。

3. 范围，境界[P]
   Drive slowly within the city limits.

   在市区内车子要开得慢点。

4. 【口】使人无法容忍的人（或事物）[the S]
   That man's the limit.

   那人真叫人无法容忍。

5. （渔猎等的）限额

vt.

1. 限制；限定[（+to）]
   The teacher limited his students to 500 words for their compositions.

   老师把学生的作文限制在五百字以内。

   We must limit ourselves to one cake each.

   我们必须限定每人只吃一块蛋糕。

n.

1. a point beyond which something does not or may not pass or extend.
   ▸a terminal point or boundary.
   ▸the furthest extent of one's endurance.
2. a restriction on the size or amount of something:
   an age limit.
3. Mathematics  a value which a sequence, function, or sum can be made to approach progressively.

v.