1.A bit of a scare shot through Tom -- a touch of uncomfortable suspicion. He searched Aunt Polly's face, but it told him nothing. So he said
汤姆忽然感到有点慌张——一丝不安和疑惑掠过心头。他偷眼察看波莉姨妈的脸色，可什么也没有看出来。
