NET
9 For you recall, brothers and sisters, our toil and drudgery: By working night and day so as not to impose a burden on any of you, we preached to you the gospel of God.
Darby
9 For ye remember, brethren, our labour and toil: working night and day, not to be chargeable to any one of you, we have preached to you the glad tidings of God.
KJV
9 For ye remember, brethren, our labour and travail: for labouring night and day, because we would not be chargeable unto any of you, we preached unto you the gospel of God.