老
lǎo
I s.v.
1) old; aged
2) of long standing
3) outdated
4) tough; overgrown
肉做老了。咬不动。 The meat's overdone. It's too tough.
5) dark (of colors)
II n.
1) old people
2) parents
III pref.
1) with numbers to designate order of birth
2) with man's family name to indicate familiarity/friendship
IV adv.
1) very
2) always (doing sth.)
我儿子老对我撒谎。 My son constantly lies to me.
3) for a long time