戲耍,嬉鬧
lark about v : play boisterously; "The children frolicked in the garden"; "the gamboling lambs in the meadows"; "The toddlers romped in the playroom" [syn: {frolic}, {lark}, {rollick}, {skylark}, {disport}, {sport}, {cavort}, {gambol}, {frisk}, {romp}, {run around}]