粗心大意cūxīndàyìTop 40000Meanings1. negligent2. careless3. inadvertentCharacters used粗coarse心heart大big意ideaExamples1他们tāmen粗心大意cūxīndàyì，还hái没méi意识到yìshídào危险wēixiǎn。They were carelessly unaware of the danger.