We're a tight group, so we do keep in touch.

　　我們關系很鐵，所以的確保持著聯系。

　　I had to keep in with the people who mattered.

　　我得和管事兒的人保持良好關系。

　　We do keep in contact.

　　我們確實保持著聯系。

　　She's still keen to keep in touch

　　她仍舊很愿意保持聯系。

　　Keep in mind you're going to be fighting lots of men who hit plenty hard.

　　記住你要和許多出拳非常兇狠的人交手。

　　I wanted to keep in touch, but when I called him he gave me the brush-off.

　　我想和他保持聯系，但當我打電話給他時，他卻不理睬我。