铸成大错[zhù chéng dà cuò]
词典make a sad [fatal
词典grave] mistake
词典make great [big] mistakes
词典commit a howler:铸成大错。
铸成大错[zhù chéng dà cuò]
make a sad [fatal; grave] mistake; make great [big] mistakes; commit a howler; make a great blunder; have committed a gross [serious] fault; have been badly wronged; make a gross error; make a mistake from actions, constituting in their cumulative efforts,
例:当感情完全淹没理智时, 就可能铸成大错。
If (one was) overwhelmed by passion, it could lead to serious blunders.