لقدindeed بانdeparted الشبابyouth وكانand it was غضاًtender
لقد بان الشباب وكان غضاً
لهit had ثمthen (unclear in context) وأوراقand leaves تظلكshade you
له ثم وأوراق تظلك
Youth has indeed departed; once it was tender.
Youth has passed, and a branch it was, green,
It had [unclear wording] and leaves to shade you.
With leaves shading you,
وكانand it was البعضa part منكof you فماتand so it died فاعلمso know
وكان البعض منك فمات فاعلم
متىwhen ماever (conditional emphasis) ماتdies بعضكa part of you ماتdies كلكall of you
متى ما مات بعضك مات كلك
It was part of you, and it died; so know:
And some of you died, so know,
Whenever a part of you dies, all of you dies.
When part of you died, all of you died.