it is used to describe a person who makes promises easily but fails to deliver

promising easily (spoken)

Make promise casually

Even though the gift itself costs little, but the meaning of it is what really matters

make promise easily, or speak without thinking of consequence

to describe when someone makes promises casually without considering it thoroughly

help to alleviate

Young age

young

young people

youthful; to make younger

to give a lenient punishment

picking easy jobs and avoid the hard ones

take lightly

to urinate

(verb) 1. Lower; 2. To alleviate

it's not the gift but the thought behind it that counts

carry weight; literally lift a foot to shift the balance

light as a swallow

(adjective) Flippant

light and easy

easily win

lightweight

light; imponderable

light industry

light industry

light and handy

light degree

(adjective) Little

heedlessness