改头换面: make only superficial changes; change one's looks and one's face; change the outside only; change only the appearance; dish up in a new form; disguise in a different garb; disguise; try to
重复: 1.repeat; duplicate; reduplicate; iterate 短语和例子他把那个词重复了几遍。 he repeated the word several times.2.repetition; reiteration; gemination; rerun; duplication; replication; palin-; pali- 短语和例子避免不