の下で/の下に => under; with ~ N2
尊敬語 => Honorifics N4
丁寧語 => polite form N4
謙譲語 => Humble form N4
以下 => As follows, below N3
Standard
と言う/と言っていた => you could say; one might say; I'd say ~ N5
のが下手 => to be bad at doing something N5
は..語で何ですか => What does it mean... N5
Explain
て[下「くだ」]さる => Do for someone N4
Give and take advice
と言っている => To say that ... N3
Speaking
と言っていました => Someone said... N4
Speaking
と[言「い」]うのは => Means, is N3
Information, Report