用法:
1 (esp of a girl or young woman) not showing respect; cheeky （尤指女孩或年轻女子）无礼的, 冒失的:
a pert child, reply 无礼的孩子、 回答 *
Don't be so pert! 放庄重些!

用法:
2 (esp US) amusing; lively 好玩的; 别致的; 精神的:
a pert little red hat 一顶别致的小红帽.

• at longest(at most)
• at night(in the night)
• at no time(in no time)
• at once(all at once)
• at one time(for a time)
• at one's back(on one's back)
• at one's best(in one's best)
• at one's discretion(to one's discretion)
• at one's heels(on one's heels, under one's heel)
• at one's pleasure(with pleasure)
• at one(in one)
• at one(to one)
• at pains(at the pains)
• at peace(in peace)
• at play(in play)
• at pleasure(at one's pleasure)
• at quiet(in quiet)
• at quiet(on the quiet)
• at risk to(at the risk of)
• at risk(at one's (own) risk)
• at sb's command(in sb's command)
• at school(in school)
• at sight of(at the sight of, in sight of)
• at sight(in sight)
• at stake(at the stake)