suffering
The German word for suffering is 'Leid'. It is used to describe pain, misery, or distress, often in a physical or emotional sense. It can also be used to describe a general hardship or affliction. For example, one might say 'Das Leid der Menschen in dieser Stadt ist unvorstellbar' to express the immense suffering of the people in a particular city.
I am sorry.
This phrase is commonly used to express regret or to apologize for something. The verb 'tun' (to do) is used here along with 'mir' (me) to convey the sense of 'I do regret' or 'I am sorry'.
The sorrow of the world is infinite.
This phrase could represent a form of existential dread or a commentary on the state of the world. The use of 'unendlich' (infinite) amplifies the magnitude of 'Leid' (sorrow).
They bear their sorrow with dignity.
This phrase comments on the strength or resilience of the individuals in the face of their 'Leid' (sorrow). The verb 'tragen' (to bear) is used to convey the concept of enduring or carrying a burden.