1 old variant of 深[shēn]

1 to create

2 to bring about

3 to produce

4 to set (a record)

1 to construct

2 to build

1 to create

2 to build

3 to develop

4 to forge (of metal)

1 profound

2 deep

3 deep-going

1 to talk intimately while being comparative strangers (idiom)

1 untold pain and suffering (idiom); deeply scarred for life

1 If you work at it hard enough, you can grind an iron bar into a needle.

2 cf idiom 磨杵成針|磨杵成针, to grind an iron bar down to a fine needle (idiom); fig. to persevere in a difficult task

3 to study diligently

1 facing a wall, an imaginary construction (idiom); baseless fabrication

1 in the dead of night (idiom)