over·bur·den/ˌəʊvəˈbɜːdn; NAmEˌoʊvərˈbɜːrdn/verb[usually passive ]overburdensb/sth (with sth) to give sb/sth more work, worry, etc. than they can deal with 使负担过重overburdenoverburdensoverburdenedoverburdeningover·bur·den/ˌəʊvəˈbɜːdn; NAmEˌoʊvərˈbɜːrdn/
to give an organization, person, or system more work or problems than they can deal with: Health services have been overburdened and are unable to care for many older people. a manager overburdened with workGRAMMAROverburden is usually passive.