1. 笨重的：cumber 烦累 | cumbrous 笨重的 | cumulate 累积

2. 讨厌的：cumbrance 拖累 | cumbrous 讨厌的 | cumin 孜然芹

3. 成负担的：cumberwithencumber 拖累 | cumbrous 成负担的 | cumin 小茴香子

4. 讨厌的/累赘的/成负担的：cumbersome /笨重/累/讨厌的/麻烦的/累赘的/ | cumbrous /讨厌的/累赘的/成负担的/ | cumin /时萝/小茴香子/

adj

1. difficult to handle or use especially because of size or weight

e.g. a cumbersome piece of machinery
cumbrous protective clothing

Synonym: cumbersome