この坂さか、めっちゃヤバいって、自転車じてんしゃで下くだったら。

kono saka, metcha yabai tte, jitensha de kudattara.

This slope is seriously crazy if you go down it on a bike. casual

その状況じょうきょうはちょっとヤバいですね。

sono joukyou wa chotto yabai desu ne.

That situation is a bit risky, isn't it. neutral