Japanese phrase
必要なら手伝います。 hitsu yō na ra te tsuda i ma su
Meaning
I can help if needed.
When to use it
Offers assistance when it may be useful.
Example dialogue
資料の整理、終わりそうですか？ shi ryō no sei ri o wa ri sō de su ka
Are you almost done organizing the materials?
必要なら手伝います。 hitsu yō na ra te tsuda i ma su
I can help if needed.