by accident 的近义词 20 个

• short
• aback
• abruptly
• accidentally
• by mistake
• by surprise
• carelessly
• ignorantly
• inadvertently
• mistakenly
• off guard
• sudden
• surprisingly
• unconsciously
• unexpectedly
• unintentionally
• unknowingly
• unprepared
• unready
• unwittingly

by accident 的反义词 2 个

• consciously
• knowingly