Please have a seat. / Please sit down.

Please wait

(honorific) to give / (honorific) to do something for me/us

下さる: to give

having a comeback or excuse for everything one is told, being smart in the sense of having a smart mouth

hard to say, inexpressible, hesitant to say

Alternative form of 言うは易く行うは難し

to express well, to be articulate

(idiomatic) just as [someone] says

(idiomatic) needless to say, goes without saying