hard to handle, difficult to deal with
このような問題は扱いにくい。
Problems like this are difficult to deal with.
ナンシーは私には扱いにくい子だ。
Nancy is a difficult child for me to handle.
彼女の上司は扱いにくい。
Her boss is difficult to deal with.
彼は扱いにくい男だ。
He's a difficult man to deal with.
彼は扱いにくい。
He’s difficult to deal with.