to not pay attention ☊ like: không để ý → →
Ich habe kein Problem damit. ☊ 
Em không để ý chuyện đó đâu. ☊ (Lektion 42, Nr. 601) He didn't notice there was anything missing from his room until later on. ☊ missing ☊
People were making fun of him but he didn't seem to notice. ☊ notice ☊
notice (that)...: I couldn't help noticing (that) she was wearing a wig. ☊ notice ☊
He hardly seemed to notice my presence. ☊ presence ☊
He pretended not to notice. ☊ pretend ☊