4 added 18 characters in body
source | link

You have to use more expressive languages.

Chinese, 6 6  4 4  3 chars

你好世喂世!

Running google translate on this produces Hello world!

(thanks @sreservoir and @Quincunx for the update)

You have to use more expressive languages.

Chinese, 6 4 chars

你好世!

Running google translate on this produces Hello world!

(thanks @Quincunx for the update)

You have to use more expressive languages.

Chinese,  6  4   3 chars

喂世!

Running google translate on this produces Hello world!

(thanks @sreservoir and @Quincunx for the update)

3 deleted 14 characters in body
source | link

You have to use more expressive languages.

Chinese, 6 4 chars

你好世!

Running google translate on this produces Hello world!

(thanks @Quincunx for native speakers'the update!)

You have to use more expressive languages.

Chinese, 6 4 chars

你好世!

Running google translate on this produces Hello world!

(thanks @Quincunx for native speakers' update!)

You have to use more expressive languages.

Chinese, 6 4 chars

你好世!

Running google translate on this produces Hello world!

(thanks @Quincunx for the update)

2 added 82 characters in body
source | link

You have to use more expressive languages.

Chinese, 66 4 chars

世界,你好你好世!

(using Running google translate on this produces Hello world!

(thanks @Quincunx for native speakers' update!)

You have to use more expressive languages.

Chinese, 6 chars

世界,你好!

(using google translate)

You have to use more expressive languages.

Chinese, 6 4 chars

你好世!

Running google translate on this produces Hello world!

(thanks @Quincunx for native speakers' update!)

1
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