tack on
phrasal verbtack something on | tack something onto something
- (informal) to add something to something that already exists, especially in a careless way
（尤指漫不经心地）附加，增补，添加 - The poems were tacked on at the end of the book.
这几首诗附在书的末尾。
- The poems were tacked on at the end of the book.