Japanese phrase
必要でしたら、___します。 hitsu yō de shi ta ra ___ shi ma su
Meaning
I will ___ if necessary.
When to use it
Offers to take a helpful action when needed. This polite expression is considerate and leaves room for the other person to decide whether help is needed.
Example dialogue
人手は足りますか？ hito de wa ta ri ma su ka
Do we have enough staff?
必要でしたら、お手伝いします。 hitsu yō de shi ta ra o te tsuda i shi ma su
I will help if necessary.