enhance translation

site/src/site/sphinx/en/start-arthas.md

@@ -30,19 +30,15 @@ Startup script is as follows:
 ./as.sh <PID>[@IP:PORT]
 ```
 
-
-
 ### Parameter Description
 
-* PID: Target Java process ID(Make sure that the user executing the command has sufficient permissions to operate the target Java process.)
-
-* IP: The address that Arthas Server listens on, the default value is `127.0.0.1`. Arthas allows multiple users to access simultaneously without interfering with each other.
-
-* PORT: Arthas Server port，the default value is 3658
+* *PID*: Target Java process ID (Make sure that the user executing the command has sufficient permissions to operate the target Java process.)
+* *IP*: The address that Arthas Server listens on, the default value is `127.0.0.1`. Arthas allows multiple users to access simultaneously without interfering with each other.
+* *PORT*: Arthas Server port，the default value is 3658
 
 ### Sample
 
-* If you do not specify IP and PORT, the default is 127.0.0.1 and 3658
+* If IP and PORT are not specified, then the default values are 127.0.0.1 and 3658
 
 	> ./as.sh 12345
 
@@ -52,7 +48,7 @@ Startup script is as follows:
 
 ### Remote Diagnosis
 
-After starting Arthas Server, users can use `telnet` connect to the remote Arthas Server, for example：
+After starting Arthas Server on the target Java process, users can use `telnet` connect to the remote Arthas Server, for example：
 
 ```bash
 telnet 192.168.1.119 3658
@@ -60,7 +56,7 @@ telnet 192.168.1.119 3658
 	
 ### sudo Support
 
-If you need to switch users, such as `admin`, you need to add the -H parameter.
+Usually online environment will only grant users privilege as low as possible, instead, all advanced operations are through sudo-list. Since `as.sh` script takes into account the current effective user, it is possible to run the script in the other rule, by specifying `-H` option like this:
 
 ```bash
 sudo -u admin -H ./as.sh 12345
@@ -69,8 +65,8 @@ sudo -u admin -H ./as.sh 12345
 
 ### Windows Support
 
-`as.bat` script only supports one parameter: pid
+Right now `as.bat` script supports one parameter only, which is: pid
 
 ```bash
 as.bat <pid>
-```
+```