to take on responsibility or a difficult task
承担责任或困难的任务 (chengdan zeren huo kunnan de renwu)
"She had to carry the burden of the entire project alone."
"她不得不独自承担整个项目的重担。" (Ta bude bu dushi **chengdan zhengge xiangmu de zhongdan**.)
a feeling of being grateful to someone who has helped you
to separate from a main route or line of development
Prepared to continue something for a long time.
able to understand things quickly
to fail to keep a promise
to suddenly become angry