「おおむね好印象だった。」
「ほぼ表情が分からなかったんだけど。」
「親爺の気を損ねてたら、今こうして喋っていられない。」

孫の晴れ姿は誰でも嬉しい。

"Seems like she has an overall good impression of it."
"Her face is pretty much impossible to read though."
"Look, if it offended her, I wouldn't be able to talk to you like this right now ."

Anyone would be happy to see their grandchild's happiest moment.