There are two workarounds to resolve this issue:
Option I
- Go to HTTP > URL Filtering Policies > URL Categories.
- Select the Reference category as Company Prohibited.
Reference includes the following content:- Personal, professional, or educational reference
- Online dictionaries, maps, and language translation sites
- Census, almanacs, and library catalogs
- Topic-specific search engines
Option II
- Manually block the Google translation URL by clicking HTTP > URL Blocking.
- Select the Via Local List tab.
- In the Match field, enter *.translate.google.com.