side-kick 莫逆之交
sign up for 报名参加
sink in the scale 降低
sitting pretty 过着舒服的生活
sixes and sevens 乱七八糟
sixth sense 第六感
size up 打量
sleep in this morning 睡个懒觉
slip one's memory 一时忘记
slow-poke 行动迟缓的人
slowly but surely 稳扎稳打
side-kick 莫逆之交
sign up for 报名参加
sink in the scale 降低
sitting pretty 过着舒服的生活
sixes and sevens 乱七八糟
sixth sense 第六感
size up 打量
sleep in this morning 睡个懒觉
slip one's memory 一时忘记
slow-poke 行动迟缓的人
slowly but surely 稳扎稳打