DAI

dai(1)

dai(2)

dai(3)

dai(4)

带 = to carry with oneself, belt

For both meanings, the two-character versions are more common.

皮带 = pi(2)dai(4) = belt

携带 = xie(2)dai(4) = to carry, to take along

Written anouncement on a bus:

下车请携带妤随身物品. = Xia(4) che(1) qing(3) xie(2)dai(4) hao(3) sui(2)shen(1) wu(4)pin(3). = When getting off the bus, take along your belongings.

携带好 = xie(2)dai(4) hao(3) = to take along (the 好 is added for politeness)

携 = to carry, to take along