noun
against the grain (of paper)
Refers to the direction opposite to the natural fiber alignment in paper; folding or cutting against the grain can cause tearing or uneven edges.
紙を逆目に折ると、きれいに折れないことがある。
If you fold paper against the grain, it may not fold cleanly.
noun
against the grain (putting)
In golf, describes a putt where the ball rolls against the natural direction of the grass blades, making it slower and more difficult to read.
See also: 芝目
逆目のパットは、思ったより曲がりやすい。
Putts against the grain tend to break more than expected.