https://www.youtube.com/watch?v=trVg31eMzK8 3:24 take your knife at a 45 degree angle.
https://www.youtube.com/watch?v=rEx9gPhtjzs 2:18 at an angle 斜めに(大きく切り分けます)
https://www.youtube.com/watch?v=bDG4fQuHga4 3:54 here are two pieces of wood joined at a right angle. 二枚の板が直角に組まれています。
[Begin Japanology] Season 4 EP08 : Sashimono Woodwork 2011-03-10
参考リンク
https://www.youtube.com/watch?v=5uZtB9OQWAk 1:10 the low-angle light can throw some dramatic shadows.
http://bridge-english.blogspot.com/2018/01/20180131.html 私の英語ノート 2018/01/31 on the bias
練習問題解答
a-749 at a visible angle 注;目に見えるほどの角度とは at a steep angle 急な角度と言い換えられます。
a-959 a right angle. 注;on a right angle 床に対して直角の面とは垂直の壁の意味。
a-3471 at a slight angle
a-9149 at an angle
b-5048 at an angle