2. Roadblocks
Sentence: Now let's take good care of his health. Each of us should protect the dead old man like our living father. Let him stay among us and turn this roadblock into an iron wall.
3. Competition
Sentence: After several months of left knee reconstruction, Ratliff plans to start training on the 23rd or 24th of this month. Although he can't return to the last game, he will also start two away games with the team, namely 19 against Mavericks and 2 1 against Nuggets.
Explanation: refers to the stalemate between the two armies, and is also used in chess and ball games.