slip one's mind 忘记
so far 迄今为止
somewhere around 大约
sooner or later 迟早，早晚
sore throat / foot 嗓子哑/腿酸
stay up late 熬夜
step by step 逐步地
subject to 受制于，易于
such as 例如，诸如
sufficient for 足够的
suitable for/to 适合于
superior to 优于，级别高于
sure of /about 对……有信心，确信
suspicious of 怀疑
take a leave 请假
take a seat / be seated
take one's place 取代
take one's time 慢慢来
take sth. seriously 认真对待
take up 占据
thanks to 由于，多亏
that is (to say) 就是说，即
the reverse is also true 反之亦然
tired of 对……不在感兴趣
to the point 切中要害，切题
turn over 倾覆
typical of 是典型的，特有的
uncertain of /about 不确知
under control 处于控制之下
under the circumstances 这种情况下